航海英语救生设备单项选择题每日一练(2018.10.01)

单项选择题
Line throwing equipment should not be operated（）.
A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers
单项选择题
On a ship，watertight doors should be operated（）.
A.during abandon drill
B.during fire drill
C.weekly
D.when the rig is being moved
单项选择题
If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.
A.run as fast as the boat will go and keep the sea on the stern
B.secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beach
C.go in under oars and put out the sea painter
D.put the sea broadside and let the boat drift ashore
单项选择题
A sheave is a（）.
A.grooved wheel in a block
B.line to hold a lifeboat next to the embarkation deck
C.partial load of grain
D.seaman's knife
单项选择题
On cargo and miscellaneous vessels what is NOT a required part of the fireman’s outfit?（）
A.Self-contained breathing apparatus with a lifeline attached
B.Combustible gas indicator
C.Rigid helmet，boots，and gloves
D.Flame safety lamp